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INTEGRATION: CWS canvas05 (1.3.68); FILE MERGED

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2008/05/21 13:32:03 thb 1.3.68.11: Made vcl and cairo canvas work with emf+ patches; smoothed out internal cairo makefile changes; corrected cairocanvas sprite update
2008/04/21 07:32:50 thb 1.3.68.10: RESYNC: (1.5-1.6); FILE MERGED
2008/04/09 09:35:12 thb 1.3.68.9: Improved log output, fixed wrong arg check for vclcanvas
2008/04/09 09:06:52 thb 1.3.68.8: cairo SpriteCanvasHelper was recursive in disposing; argument order changed for init
2008/04/07 14:34:18 thb 1.3.68.7: RESYNC: (1.4-1.5); FILE MERGED
2008/04/03 16:02:26 thb 1.3.68.6: Merged in cairoquartz01 changes, reworked into the polymorphic Surface concept now
2008/04/02 22:56:28 thb 1.3.68.5: Reworked Surface class to abstract interface; changed all manual refcount handling to RAII
2008/03/18 22:00:57 thb 1.3.68.4: Implementing non-backbuffered canvas for cairocanvas as well - reworked to share most of the code
2008/01/22 00:50:52 thb 1.3.68.3: RESYNC: (1.3-1.4); FILE MERGED
2007/12/20 22:18:56 thb 1.3.68.2: #i81092# #i78888# #i78925# #i79258# #i79437# #i84784# Large canvas rework, completing various areas such as color spaces, bitmap data access, true sprite and non-sprite implementations, and upstreaming the canvas parts of rodos emf+ rendering
2007/10/01 13:02:01 thb 1.3.68.1: #i78888# #i78925# #i79258# #i79437# Merge from CWS picom
This commit is contained in:
Kurt Zenker
2008-06-24 09:24:53 +00:00
parent d28bc65675
commit 8dbb835500
1 changed files with 181 additions and 144 deletions
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283
canvas/source/cairo/cairo_spritecanvashelper.cxx
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@@ -7,7 +7,7 @@
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: cairo_spritecanvashelper.cxx,v $
* $Revision: 1.6 $
* $Revision: 1.7 $
*
* This file is part of OpenOffice.org.
*
@@ -34,6 +34,7 @@
#include <canvas/debug.hxx>
#include <canvas/verbosetrace.hxx>
#include <canvas/canvastools.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/canvastools.hxx>
@@ -59,46 +60,47 @@ namespace cairocanvas
Used to repaint the whole canvas (background and all
sprites)
*/
void spriteRedraw( Cairo* pCairo,
void spriteRedraw( const CairoSharedPtr& pCairo,
const ::canvas::Sprite::Reference& rSprite )
{
// downcast to derived vclcanvas::Sprite interface, which
// downcast to derived cairocanvas::Sprite interface, which
// provides the actual redraw methods.
::boost::polymorphic_downcast< Sprite* >(rSprite.get())->redraw( pCairo, true);
}
void repaintBackground( Cairo* pCairo,
Surface* pBackgroundSurface,
void repaintBackground( const CairoSharedPtr& pCairo,
const SurfaceSharedPtr& pBackgroundSurface,
const ::basegfx::B2DRange& rArea )
{
cairo_save( pCairo );
cairo_rectangle( pCairo, ceil( rArea.getMinX() ), ceil( rArea.getMinY() ), floor( rArea.getWidth() ), floor( rArea.getHeight() ) );
cairo_clip( pCairo );
cairo_set_source_surface( pCairo, pBackgroundSurface->mpSurface, 0, 0 );
cairo_set_operator( pCairo, CAIRO_OPERATOR_SOURCE );
cairo_paint( pCairo );
cairo_restore( pCairo );
cairo_save( pCairo.get() );
cairo_rectangle( pCairo.get(), ceil( rArea.getMinX() ), ceil( rArea.getMinY() ),
floor( rArea.getWidth() ), floor( rArea.getHeight() ) );
cairo_clip( pCairo.get() );
cairo_set_source_surface( pCairo.get(), pBackgroundSurface->getCairoSurface().get(), 0, 0 );
cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_paint( pCairo.get() );
cairo_restore( pCairo.get() );
}
void opaqueUpdateSpriteArea( const ::canvas::Sprite::Reference& rSprite,
Cairo* pCairo,
const CairoSharedPtr& pCairo,
const ::basegfx::B2IRange& rArea )
{
// clip output to actual update region (otherwise a)
// wouldn't save much render time, and b) will clutter
// scrolled sprite content outside this area)
cairo_save( pCairo );
cairo_rectangle( pCairo, rArea.getMinX(), rArea.getMinY(),
cairo_save( pCairo.get() );
cairo_rectangle( pCairo.get(), rArea.getMinX(), rArea.getMinY(),
sal::static_int_cast<sal_Int32>(rArea.getWidth()),
sal::static_int_cast<sal_Int32>(rArea.getHeight()) );
cairo_clip( pCairo );
cairo_clip( pCairo.get() );
// repaint affected sprite directly to output device (at
// the actual screen output position)
// rendering directly to device buffer
::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false );
cairo_restore( pCairo );
cairo_restore( pCairo.get() );
}
/** Repaint sprite at original position
@@ -106,7 +108,7 @@ namespace cairocanvas
Used for opaque updates, which render directly to the
device buffer.
*/
void spriteRedrawStub( Cairo* pCairo,
void spriteRedrawStub( const CairoSharedPtr& pCairo,
const ::canvas::Sprite::Reference& rSprite )
{
if( rSprite.is() )
@@ -119,7 +121,7 @@ namespace cairocanvas
Used for generic update, which renders into device buffer.
*/
void spriteRedrawStub2( Cairo* pCairo,
void spriteRedrawStub2( const CairoSharedPtr& pCairo,
const ::canvas::Sprite::Reference& rSprite )
{
if( rSprite.is() )
@@ -133,7 +135,7 @@ namespace cairocanvas
Used for opaque updates from scrollUpdate(), which render
directly to the front buffer.
*/
void spriteRedrawStub3( Cairo* pCairo,
void spriteRedrawStub3( const CairoSharedPtr& pCairo,
const ::canvas::SpriteRedrawManager::AreaComponent& rComponent )
{
const ::canvas::Sprite::Reference& rSprite( rComponent.second.getSprite() );
@@ -144,7 +146,10 @@ namespace cairocanvas
}
SpriteCanvasHelper::SpriteCanvasHelper() :
mpRedrawManager( NULL )
mpRedrawManager( NULL ),
mpOwningSpriteCanvas( NULL ),
mpCompositingSurface(),
maCompositingSurfaceSize()
{
}
@@ -153,12 +158,15 @@ namespace cairocanvas
const ::basegfx::B2ISize& rSize )
{
mpRedrawManager = &rManager;
mpOwningSpriteCanvas = &rDevice;
CanvasHelper::init( rSize, rDevice );
CanvasHelper::init( rSize, rDevice, &rDevice );
}
void SpriteCanvasHelper::disposing()
{
mpCompositingSurface.reset();
mpOwningSpriteCanvas = NULL;
mpRedrawManager = NULL;
// forward to base
@@ -166,7 +174,7 @@ namespace cairocanvas
}
uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromAnimation(
const uno::Reference< rendering::XAnimation >& /*animation*/ )
const uno::Reference< rendering::XAnimation >& )
{
return uno::Reference< rendering::XAnimatedSprite >();
}
@@ -185,10 +193,11 @@ namespace cairocanvas
return uno::Reference< rendering::XCustomSprite >(
new CanvasCustomSprite( spriteSize,
mpDevice ) );
mpOwningSpriteCanvas ) );
}
uno::Reference< rendering::XSprite > SpriteCanvasHelper::createClonedSprite( const uno::Reference< rendering::XSprite >& /*original*/ )
uno::Reference< rendering::XSprite > SpriteCanvasHelper::createClonedSprite(
const uno::Reference< rendering::XSprite >& )
{
return uno::Reference< rendering::XSprite >();
}
@@ -198,19 +207,23 @@ namespace cairocanvas
bool& io_bSurfaceDirty )
{
if( !mpRedrawManager ||
!mpDevice ||
!mpDevice->getWindowSurface() ||
!mpDevice->getBufferSurface() )
!mpOwningSpriteCanvas ||
!mpOwningSpriteCanvas->getWindowSurface() ||
!mpOwningSpriteCanvas->getBufferSurface() )
{
return sal_False; // disposed, or otherwise dysfunctional
}
OSL_TRACE("SpriteCanvasHelper::updateScreen called");
Cairo* pBufferCairo = mpDevice->getBufferSurface()->getCairo();
Cairo* pWindowCairo = mpDevice->getWindowSurface()->getCairo();
const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel();
const ::basegfx::B2ISize& rSize = mpDevice->getSizePixel();
// force compositing surface to be available before using it
// inside forEachSpriteArea
SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize);
SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
// TODO(P1): Might be worthwile to track areas of background
// changes, too.
@@ -230,33 +243,34 @@ namespace cairocanvas
// background has changed, so we currently have no choice
// but repaint everything (or caller requested that)
cairo_rectangle( pBufferCairo, 0, 0, rSize.getX(), rSize.getY() );
cairo_clip( pBufferCairo );
cairo_save( pBufferCairo );
cairo_set_source_surface( pBufferCairo, mpDevice->getBackgroundSurface()->mpSurface, 0, 0 );
cairo_set_operator( pBufferCairo, CAIRO_OPERATOR_SOURCE );
cairo_paint( pBufferCairo );
cairo_restore( pBufferCairo );
cairo_rectangle( pCompositingCairo.get(), 0, 0, rSize.getX(), rSize.getY() );
cairo_clip( pCompositingCairo.get() );
cairo_save( pCompositingCairo.get() );
cairo_set_source_surface( pCompositingCairo.get(),
mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(),
0, 0 );
cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_paint( pCompositingCairo.get() );
cairo_restore( pCompositingCairo.get() );
// repaint all active sprites on top of background into
// VDev.
mpRedrawManager->forEachSprite(
::boost::bind(
&spriteRedraw,
pBufferCairo,
boost::cref(pCompositingCairo),
_1 ) );
// flush to screen
cairo_rectangle( pWindowCairo, 0, 0, rSize.getX(), rSize.getY() );
cairo_clip( pWindowCairo );
cairo_set_source_surface( pWindowCairo, mpDevice->getBufferSurface()->mpSurface, 0, 0 );
cairo_set_operator( pWindowCairo, CAIRO_OPERATOR_SOURCE );
cairo_paint( pWindowCairo );
cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() );
cairo_clip( pWindowCairo.get() );
cairo_set_source_surface( pWindowCairo.get(),
pCompositingSurface->getCairoSurface().get(),
0, 0 );
cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_paint( pWindowCairo.get() );
}
cairo_destroy( pBufferCairo );
cairo_destroy( pWindowCairo );
// change record vector must be cleared, for the next turn of
// rendering and sprite changing
mpRedrawManager->clearChangeRecords();
@@ -264,38 +278,39 @@ namespace cairocanvas
io_bSurfaceDirty = false;
// commit to screen
mpDevice->flush();
mpOwningSpriteCanvas->flush();
return sal_True;
}
void SpriteCanvasHelper::backgroundPaint( const ::basegfx::B2DRange& rUpdateRect )
{
if( mpDevice ) {
Cairo* pBufferCairo = mpDevice->getBufferSurface()->getCairo();
repaintBackground( pBufferCairo, mpDevice->getBackgroundSurface(), rUpdateRect );
cairo_destroy( pBufferCairo );
}
if( mpOwningSpriteCanvas && mpCompositingSurface )
repaintBackground( mpCompositingSurface->getCairo(),
mpOwningSpriteCanvas->getBufferSurface(),
rUpdateRect );
}
void SpriteCanvasHelper::scrollUpdate( const ::basegfx::B2DRange& rMoveStart,
const ::basegfx::B2DRange& rMoveEnd,
const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea )
{
ENSURE_AND_THROW( mpDevice &&
mpDevice->getBufferSurface(),
ENSURE_OR_THROW( mpOwningSpriteCanvas &&
mpOwningSpriteCanvas->getBufferSurface(),
"SpriteCanvasHelper::scrollUpdate(): NULL device pointer " );
Cairo* pBufferCairo = mpDevice->getBufferSurface()->getCairo();
OSL_TRACE("SpriteCanvasHelper::scrollUpdate called");
const ::basegfx::B2ISize& rSize = mpDevice->getSizePixel();
const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel();
const ::basegfx::B2IRange aOutputBounds( 0,0,
rSize.getX(),
rSize.getY() );
SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize);
SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
// round rectangles to integer pixel. Note: have to be
// extremely careful here, to avoid off-by-one errors for
// the destination area: otherwise, the next scroll update
@@ -330,7 +345,7 @@ namespace cairocanvas
rUpdateArea.maComponentList.end(),
::boost::bind(
&spriteRedrawStub3,
pBufferCairo,
boost::cref(pCompositingCairo),
_1 ) );
}
else
@@ -341,26 +356,27 @@ namespace cairocanvas
::basegfx::B2IRange aDestRect( rDestRect );
aDestRect.intersect( aOutputBounds );
cairo_save( pBufferCairo );
cairo_save( pCompositingCairo.get() );
// scroll content in device back buffer
cairo_set_source_surface( pBufferCairo, mpDevice->getBufferSurface()->mpSurface,
cairo_set_source_surface( pCompositingCairo.get(),
mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(),
aDestPos.getX() - aSourceUpperLeftPos.getX(),
aDestPos.getY() - aSourceUpperLeftPos.getY() );
cairo_rectangle( pBufferCairo,
cairo_rectangle( pCompositingCairo.get(),
aDestPos.getX(), aDestPos.getY(),
sal::static_int_cast<sal_Int32>(aDestRect.getWidth()),
sal::static_int_cast<sal_Int32>(aDestRect.getHeight()) );
cairo_clip( pBufferCairo );
cairo_set_operator( pBufferCairo, CAIRO_OPERATOR_SOURCE );
cairo_paint( pBufferCairo );
cairo_restore( pBufferCairo );
cairo_clip( pCompositingCairo.get() );
cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_paint( pCompositingCairo.get() );
cairo_restore( pCompositingCairo.get() );
const ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator
aFirst( rUpdateArea.maComponentList.begin() );
::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator
aSecond( aFirst ); ++aSecond;
ENSURE_AND_THROW( aFirst->second.getSprite().is(),
ENSURE_OR_THROW( aFirst->second.getSprite().is(),
"VCLCanvas::scrollUpdate(): no sprite" );
// repaint uncovered areas from sprite. Need to actually
@@ -370,7 +386,7 @@ namespace cairocanvas
aUnscrollableAreas.end(),
::boost::bind( &opaqueUpdateSpriteArea,
::boost::cref(aFirst->second.getSprite()),
pBufferCairo,
boost::cref(pCompositingCairo),
_1 ) );
}
@@ -384,64 +400,62 @@ namespace cairocanvas
::std::for_each( aUncoveredAreas.begin(),
aUncoveredAreas.end(),
::boost::bind( &repaintBackground,
pBufferCairo,
mpDevice->getBackgroundSurface(),
boost::cref(pCompositingCairo),
boost::cref(mpOwningSpriteCanvas->getBufferSurface()),
_1 ) );
Cairo* pWindowCairo = mpDevice->getWindowSurface()->getCairo();
cairo_rectangle( pWindowCairo, 0, 0, rSize.getX(), rSize.getY() );
cairo_clip( pWindowCairo );
cairo_set_source_surface( pWindowCairo, mpDevice->getBufferSurface()->mpSurface, 0, 0 );
cairo_set_operator( pWindowCairo, CAIRO_OPERATOR_SOURCE );
cairo_paint( pWindowCairo );
cairo_destroy( pBufferCairo );
cairo_destroy( pWindowCairo );
cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() );
cairo_clip( pWindowCairo.get() );
cairo_set_source_surface( pWindowCairo.get(),
pCompositingSurface->getCairoSurface().get(),
0, 0 );
cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_paint( pWindowCairo.get() );
}
void SpriteCanvasHelper::opaqueUpdate( const ::basegfx::B2DRange& rTotalArea,
const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites )
{
ENSURE_AND_THROW( mpDevice &&
mpDevice->getBufferSurface(),
ENSURE_OR_THROW( mpOwningSpriteCanvas &&
mpOwningSpriteCanvas->getBufferSurface(),
"SpriteCanvasHelper::opaqueUpdate(): NULL device pointer " );
OSL_TRACE("SpriteCanvasHelper::opaqueUpdate called");
Cairo* pBufferCairo = mpDevice->getBufferSurface()->getCairo();
const ::basegfx::B2ISize& rDeviceSize = mpDevice->getSizePixel();
const ::basegfx::B2ISize& rDeviceSize = mpOwningSpriteCanvas->getSizePixel();
cairo_rectangle( pBufferCairo, 0, 0, rDeviceSize.getX(), rDeviceSize.getY() );
cairo_clip( pBufferCairo );
SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rDeviceSize);
SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
cairo_rectangle( pCompositingCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() );
cairo_clip( pCompositingCairo.get() );
::basegfx::B2DVector aPos( ceil( rTotalArea.getMinX() ), ceil( rTotalArea.getMinY() ) );
::basegfx::B2DVector aSize( floor( rTotalArea.getMaxX() - aPos.getX() ), floor( rTotalArea.getMaxY() - aPos.getY() ) );
cairo_rectangle( pBufferCairo, aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() );
cairo_clip( pBufferCairo );
cairo_rectangle( pCompositingCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() );
cairo_clip( pCompositingCairo.get() );
// repaint all affected sprites directly to output device
::std::for_each( rSortedUpdateSprites.begin(),
rSortedUpdateSprites.end(),
::boost::bind(
&spriteRedrawStub,
pBufferCairo,
boost::cref(pCompositingCairo),
_1 ) );
// flush to screen
Cairo* pWindowCairo = mpDevice->getWindowSurface()->getCairo();
cairo_rectangle( pWindowCairo, 0, 0, rDeviceSize.getX(), rDeviceSize.getY() );
cairo_clip( pWindowCairo );
cairo_rectangle( pWindowCairo, aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() );
cairo_clip( pWindowCairo );
cairo_set_source_surface( pWindowCairo, mpDevice->getBufferSurface()->mpSurface, 0, 0 );
cairo_set_operator( pWindowCairo, CAIRO_OPERATOR_SOURCE );
cairo_paint( pWindowCairo );
cairo_destroy( pBufferCairo );
cairo_destroy( pWindowCairo );
cairo_rectangle( pWindowCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() );
cairo_clip( pWindowCairo.get() );
cairo_rectangle( pWindowCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() );
cairo_clip( pWindowCairo.get() );
cairo_set_source_surface( pWindowCairo.get(),
pCompositingSurface->getCairoSurface().get(),
0, 0 );
cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_paint( pWindowCairo.get() );
}
void SpriteCanvasHelper::genericUpdate( const ::basegfx::B2DRange& rRequestedArea,
@@ -450,14 +464,17 @@ namespace cairocanvas
// TODO
OSL_TRACE("SpriteCanvasHelper::genericUpdate called");
ENSURE_AND_THROW( mpDevice &&
mpDevice->getBufferSurface(),
ENSURE_OR_THROW( mpOwningSpriteCanvas &&
mpOwningSpriteCanvas->getBufferSurface(),
"SpriteCanvasHelper::genericUpdate(): NULL device pointer " );
Cairo* pBufferCairo = mpDevice->getBufferSurface()->getCairo();
// limit size of update VDev to target outdev's size
const ::basegfx::B2ISize& rSize = mpDevice->getSizePixel();
const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel();
SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize);
SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
// round output position towards zero. Don't want to truncate
// a fraction of a sprite pixel... Clip position at origin,
@@ -477,34 +494,54 @@ namespace cairocanvas
::std::min( rSize.getY(),
::canvas::tools::roundUp( rRequestedArea.getMaxY() - aOutputPosition.Y()) ) );
cairo_rectangle( pBufferCairo, aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() );
cairo_clip( pBufferCairo );
cairo_rectangle( pCompositingCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() );
cairo_clip( pCompositingCairo.get() );
// paint background
cairo_save( pBufferCairo );
cairo_set_source_surface( pBufferCairo, mpDevice->getBackgroundSurface()->mpSurface, 0, 0 );
cairo_set_operator( pBufferCairo, CAIRO_OPERATOR_SOURCE );
cairo_paint( pBufferCairo );
cairo_restore( pBufferCairo );
cairo_save( pCompositingCairo.get() );
cairo_set_source_surface( pCompositingCairo.get(),
mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(),
0, 0 );
cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_paint( pCompositingCairo.get() );
cairo_restore( pCompositingCairo.get() );
// repaint all affected sprites on top of background into
// VDev.
::std::for_each( rSortedUpdateSprites.begin(),
rSortedUpdateSprites.end(),
::boost::bind( &spriteRedrawStub2,
pBufferCairo,
boost::cref(pCompositingCairo),
_1 ) );
// flush to screen
Cairo* pWindowCairo = mpDevice->getWindowSurface()->getCairo();
cairo_rectangle( pWindowCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() );
cairo_clip( pWindowCairo.get() );
cairo_set_source_surface( pWindowCairo.get(),
pCompositingSurface->getCairoSurface().get(),
0, 0 );
cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_paint( pWindowCairo.get() );
}
cairo_rectangle( pWindowCairo, aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() );
cairo_clip( pWindowCairo );
cairo_set_source_surface( pWindowCairo, mpDevice->getBufferSurface()->mpSurface, 0, 0 );
cairo_set_operator( pWindowCairo, CAIRO_OPERATOR_SOURCE );
cairo_paint( pWindowCairo );
::cairo::SurfaceSharedPtr SpriteCanvasHelper::getCompositingSurface( const ::basegfx::B2ISize& rNeededSize )
{
if( rNeededSize.getX() < maCompositingSurfaceSize.getX() ||
rNeededSize.getY() < maCompositingSurfaceSize.getY() )
{
// need to give buffer more size
mpCompositingSurface.reset();
}
cairo_destroy( pBufferCairo );
cairo_destroy( pWindowCairo );
if( !mpCompositingSurface )
{
mpCompositingSurface =
mpOwningSpriteCanvas->getWindowSurface()->getSimilar(
CAIRO_CONTENT_COLOR,
rNeededSize.getX(), rNeededSize.getY() );
maCompositingSurfaceSize = rNeededSize;
}
return mpCompositingSurface;
}
}